3qsv

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Template:STRUCTURE 3qsv

Structural basis for DNA recognition by constitutive Smad4 MH1 dimers

Template:ABSTRACT PUBMED 021724602

Function

[SMAD4_MOUSE] Common SMAD (co-SMAD) is the coactivator and mediator of signal transduction by TGF-beta (transforming growth factor). Component of the heterotrimeric SMAD2/SMAD3-SMAD4 complex that forms in the nucleus and is required for the TGF-mediated signaling. Promotes binding of the SMAD2/SMAD4/FAST-1 complex to DNA and provides an activation function required for SMAD1 or SMAD2 to stimulate transcription. Component of the multimeric SMAD3/SMAD4/JUN/FOS complex which forms at the AP1 promoter site; required for syngernistic transcriptional activity in response to TGF-beta. May act as a tumor suppressor. Positively regulates PDPK1 kinase activity by stimulating its dissociation from the 14-3-3 protein YWHAQ which acts as a negative regulator (By similarity).

About this Structure

3qsv is a 8 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA.

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